Compatible with 1RU devices: This 1RU recessed rack adapter is suitable for computers, servers, and network devices, providing extra space and perfectly fitting standard 19-inch racks, making it the ideal rack mounting solution. 3-inch recessed from rack surface: The adapter is designed with a 3-inch recessed space from the rack surface, providing enough room for wiring or slightly protruding equipment, optimizing space usage in the rack Suitable for various devices: Ideal for installation in patch panels, rack shelves, and other standard 19-inch equipment, providing perfect support for various server rack devices, keeping racks organized Reverse mount feature: On switches with enough space on certain sides, the RRA1U can be reverse mounted as an extender, providing additional clearance for the back of the switch, ensuring a perfect fit with the rack, making it the ideal choice for network device installations Easy installation and stable support: The RRA1U adapter installs easily through standard screw holes, ensuring stable support for devices in the rack, helping to optimize device layout and rack wiring The Compatible 1RU Recessed Rack Adapter (model: RRA1U) is designed for computers, servers, and network devices, providing extra installation space and improving space utilization in the rack. The adapter is 3 inches recessed from the rack surface, perfectly fitting standard 19-inch devices while providing the required space for wiring or slightly protruding equipment. The RRA1U can also be reverse mounted on certain switches with enough side space, serving as an extender and providing additional clearance for the back of the switch, accommodating different devices and installation needs. This adapter is suitable for installation in patch panels, rack shelves, and other devices, offering a flexible and stable installation solution, enhancing rack space utilization, and providing a clear, organized wiring solution for your devices.